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Evaluation and histological analysis of full-thickness skin regeneration. (A) Representative photographs of wound healing. (B) Quantitative statistical analysis of the rate of wound healing in the treatment group. (C) Schematic diagram of the wound closure at different time points. (D) H&E staining & Masson's trichrome staining of new skin tissue at day 21 postoperatively. Scale bar: 1 mm or 100 μm. Data are represented as mean ± SD (n = 5, *p < 0.05, **p < 0.01).
